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Abstract: Instead
of conventional laser cutting, a cutter-based laminated object
manufacturing (LOM) type rapid prototyping system is proposed. The
cutter set is introduced，in which the cutter can turn its cutting
direction automatically. The motion of the cutter nose can be described
by the tractrix-model. According to the model, the form error caused by
cutting is analyzed and a method to eliminate the error by modifying the
cutter path is thus obtained. Experimental research on the cutting notch
is carried out through micro-analysis. On the experimental results, the
dimension error caused by the notch is analyzed and the conclusions is
that within the normal range of the cutting depth the dimension error is
less than 3 microns. A physical model has been fabricated on the
developed test machine, which indicates the proposed low cost system has
use value.
Key words: Rapid
prototyping (RP) Laminated object manufacturing (LOM) Paper
deposition Form error
Dimension error
CLC No: TH161
TH164
国家“十五”科技攻关项目资金(2001BA205B10)和机械制造系统工程国家重点实验室资金资助项目.
Received 30210, received in revised form 20030820
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